[2] The by election was held on the same day as 3 others across Canada; Battlefords—Lloydminster in Alberta, Bonavista—Burin—Trinity in Newfoundland and Labrador and South Surrey—White Rock in British Columbia.

[5] The riding of Scarborough—Agincourt has been held by the Liberals since it was first created for the 1988 federal election with Jim Karygiannis serving as its MP until his retirement in 2014.

[8][9] Ward 39 Scarborough Agincourt – North city councillor and former Scarborough—Agincourt MP Jim Karygiannis declined to run for the nomination, but threw his support to Yip.

York Region District School Board Trustee Allan Tam as well as former teacher and immigration officer Sarah Chung[12] were both rejected by the party.

[13] Scarborough-born federal NDP leader and former GTA MPP Jagmeet Singh, who did not have a seat in the House of Commons, ruled out standing as a candidate in the by-election.